DescriptionThis product is fiber optic adapters and couplers which is widely applied in optical fiber communication system, cable television network, LAN & WAN, fiber optic access network and video transmission.Features-Color: Sky-blue -Material: Plastic -Size: 3.30X2.10X0.90cm/1.30X0.83X0.35in -The opening is smooth and accurate, and does not hurt the optical fiber - Can be reused many times, no worries to use - Good temperature stability, durable to use -.Low insertion loss and high return loss - It can be used for all kinds of optical fiber LAN, optical fiber communication system, instrument and meter, CATV and so on